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Re: My first ever Python program, comments welcome

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Date Sat, 21 Jul 2012 22:01:42 -0400
From Dave Angel <d@davea.name>
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Subject Re: My first ever Python program, comments welcome
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On 07/21/2012 09:56 PM, MRAB wrote:
> On 22/07/2012 01:32, Steven D'Aprano wrote:
>> On Sat, 21 Jul 2012 20:40:46 +0100, MRAB wrote:
>>
>>> On 21/07/2012 20:08, Lipska the Kat wrote:
>>>>     l=sorted(l, key=itemgetter(0))
>>>
>>> Short is:
>>>
>>>      l.sort(key=itemgetter(0))
>>
>> Shorter, and the semantics are subtly different.
>>
>> The sorted function returns a copy of the input list.
>>
>> The list.sort method sorts the list in place.
>>
> Since the result is bound to the original name, the
> result is the same.
>

In this particular program, yes.  But if there's another variable bound
to the same list, then the fact that there's a new object from sorted()
makes a difference.



-- 

DaveA

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Thread

My first ever Python program, comments welcome Lipska the Kat <lipska@lipskathekat.com> - 2012-07-21 20:08 +0100
  Re: My first ever Python program, comments welcome Ian Foote <ian@feete.org> - 2012-07-21 20:34 +0100
  Re: My first ever Python program, comments welcome MRAB <python@mrabarnett.plus.com> - 2012-07-21 20:40 +0100
    Re: My first ever Python program, comments welcome Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-07-22 00:32 +0000
      Re: My first ever Python program, comments welcome MRAB <python@mrabarnett.plus.com> - 2012-07-22 02:56 +0100
      Re: My first ever Python program, comments welcome Chris Angelico <rosuav@gmail.com> - 2012-07-22 11:59 +1000
      Re: My first ever Python program, comments welcome Dave Angel <d@davea.name> - 2012-07-21 22:01 -0400
  Re: My first ever Python program, comments welcome Dave Angel <d@davea.name> - 2012-07-21 16:10 -0400
    Re: My first ever Python program, comments welcome Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-07-22 00:56 +0000
    Re: My first ever Python program, comments welcome rusi <rustompmody@gmail.com> - 2012-07-21 19:55 -0700
      Re: My first ever Python program, comments welcome Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-07-22 09:14 +0100
      Re: My first ever Python program, comments welcome Lipska the Kat <lipska@lipskathekat.com> - 2012-07-22 10:20 +0100
        Re: My first ever Python program, comments welcome rusi <rustompmody@gmail.com> - 2012-07-22 09:18 -0700
          Re: My first ever Python program, comments welcome Lipska the Kat <lipska@lipskathekat.com> - 2012-07-22 18:23 +0100
            Re: My first ever Python program, comments welcome rusi <rustompmody@gmail.com> - 2012-07-23 22:13 -0700
              Re: My first ever Python program, comments welcome Lipska the Kat <lipskathekat@yahoo.co.uk> - 2012-07-24 12:34 +0100
    Re: My first ever Python program, comments welcome Lipska the Kat <lipska@lipskathekat.com> - 2012-07-22 09:37 +0100
      Re: My first ever Python program, comments welcome Andrew Berg <bahamutzero8825@gmail.com> - 2012-07-22 03:49 -0500
      Re: My first ever Python program, comments welcome Chris Angelico <rosuav@gmail.com> - 2012-07-22 20:17 +1000
        Re: My first ever Python program, comments welcome Lipska the Kat <lipska@lipskathekat.com> - 2012-07-22 13:36 +0100
      Re: My first ever Python program, comments welcome David <bouncingcats@gmail.com> - 2012-07-22 20:46 +1000
  Re: My first ever Python program, comments welcome Peter Otten <__peter__@web.de> - 2012-07-22 09:56 +0200
  Re: My first ever Python program, comments welcome "Ivan@work" <ivan.cvetkovic@pakel.hr> - 2012-07-23 09:12 +0200

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